ColumnCalc app for iPhone and iPad

ColumnCalc allows to design reinforced concrete column with rectangular cross section through the interaction diagram of axial force and bending moment.
Inserting the data related to steel, concrete and cross-section the interaction diagram is drawn.
The user can input the design point and save the given picture to the photo library.
The security coefficients are highly customizable according to your norm.

At the moment the App is given in English and with the International System of Units.
In the following updates new languages and units will be given.

Please do not hesitate to contact me for requests to improve the App to your own needs.

For feedback and suggestions you can use my twitter account @sniis84 for direct contact.